BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 118 62.4%
2 United States 39 20.6%
3 Germany 16 8.5%
4 Canada 4 2.1%
5 Hong Kong 3 1.6%
6 Taiwan 2 1.1%
7 United Kingdom 1 0.5%
8 Nigeria 1 0.5%
9 Portugal 1 0.5%
10 Russia 1 0.5%
11 Singapore 1 0.5%
12 Ghana 1 0.5%
13 France 1 0.5%